need help right know please? is an internet site run by a major science organization like nasa a reliable source for what? a definition b fact/characteristics c examples d nonexamples

How are viruses and bacteria different?

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Acquired mutations can result from radiation pollution toxins inheritence select all that apply